﻿// RankingSejmowy 1.0 - Polish parliment statistics for the masses.
// Copyright (C) 2010 Jarosław Dubrownik
//  
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//  
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//  
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
using System.Linq;
using HtmlAgilityPack;
using RankingSejmowy.Common.Extensions;
using RankingSejmowy.Model;
using RankingSejmowy.Model.Import;

namespace RankingSejmowy.BLL.Import.Parser.PageParsers
{
    public class AgilityMeetingListParser : IMeetingListParser
    {
        private const string MEETING_LIST_PATTERN = @"//table[2]//tr[td[@align='CENTER' and position() = 1]]";

        private const string MEETING_NUMBER_PATTERN = @"td[1]/text()";

        private const string MEETING_DATE_PATTERN = @"td[2]/a/text()";

        #region IMeetingListParser Members

        public Meeting[] Parse(DownloadedPage page)
        {
            var doc = new HtmlDocument();
            doc.LoadHtml(page.Content);
            return doc.DocumentNode.SelectNodes(MEETING_LIST_PATTERN)
                .Select(x => new Meeting
                                 {
                                     MeetingNum = int.Parse(x.SelectSingleNode(MEETING_NUMBER_PATTERN).InnerText),
                                     Date =
                                         x.SelectSingleNode(MEETING_DATE_PATTERN).InnerText.ConvertToDateTime(
                                             "dd-MM-yyyy")
                                 }).ToArray();
        }

        #endregion
    }
}